cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A188232 Number of nondecreasing arrangements of n numbers in -(n+3)..(n+3) with sum zero and not more than two numbers equal.

Table of values

n a(n)
1 1
2 6
3 24
4 121
5 598
6 3047
7 15696
8 81981
9 432491
10 2302608
11 12355260
12 66761159
13 362992938
14 1984748322
15 10907074884
16 60215001180
17 333824553431
18 1857784353244
19 10375296176688
20 58131888133855
21 326686361277196
22 1841007865239913

List of values

[1, 6, 24, 121, 598, 3047, 15696, 81981, 432491, 2302608, 12355260, 66761159, 362992938, 1984748322, 10907074884, 60215001180, 333824553431, 1857784353244, 10375296176688, 58131888133855, 326686361277196, 1841007865239913]